Multi-angle measurement, clear scale. With the measuring ruler, you can measure the angle and length of an object. The meter and ruler are calibrated with laser using special technology, with long life and accurate reading of angles and data. The 2 in 1 stainless steel angle ruler can accurately measure the angle from 0 to 180 and quickly measure the length from 0 to 145 mm. The protractor of removable angle is flexible to use and easy to transport. Suitable for machinery, crafts, painting projects, construction and maintenance projects, etc. Product features: Color: silver. Material: stainless steel. Surface treatment: polish finish. Angle: 0-180 . Disc diameter: 90 mm. Minimum display scale: 1. Maximum reading length: 145 mm. Dimensions: 197 x 90 x 12 mm. Product weight: 55 g. Package dimensions: 25.5 x 7.5 cm. Package weight: 75 g. Reminder: 1. Avoid scratching the surface of the tool. 2. Please keep it clean during use and storage. Contents: 1 protractor. Note: This does not include other things, the color is based on the first picture and other pictures only show effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!